Et3B-Induced Hydrogermylation of Alkenes and Silyl Enol Ethers
摘要:
Tri-2-furanylgermane in the presence of a catalytic amount of Et3B adds to internal alkenes as well as terminal alkenes effectively to give the corresponding adducts in good to excellent yields. The addition of tri-2-furanylgermane to silyl enol ethers followed by elimination of germyl and siloxy moieties provides a new route for the conversion of ketones into alkenes.
Fluorination of Ketones Using Iodotoluene Difluoride
作者:Shoji Hara、Saeko Sato、Masanori Yoshida
DOI:10.1055/s-2005-872105
日期:——
Fluorination of ketones was achieved by the reaction of silyl enol ethers with iodotoluene difluoride in the presence of BF 3 .OEt 2 and a Et 3 N.HF complex.
Tri-2-furanylgermane in the presence of a catalytic amount of Et3B adds to internal alkenes as well as terminal alkenes effectively to give the corresponding adducts in good to excellent yields. The addition of tri-2-furanylgermane to silyl enol ethers followed by elimination of germyl and siloxy moieties provides a new route for the conversion of ketones into alkenes.
A New and Efficient Synthesis of Derivatives of Octahydro-4H-pyrrolo[1,2-c]pyrido[1′,2′-a]imidazole